Here are all the options parts for the Xray XB4 2020 and olders
Reference 06363353-G
Brand: XRAY
COMPOSITE UPRIGHT REAR - GRAPHITE - 363353-G
Reference 06359210
Brand: XRAY
XRAY PREMIUM SILICONE OIL 100 cSt --- Replaced with #106310 - 359210
Reference 06365881
Brand: XRAY
COMPOSITE 3-PAD SLIPPER CLUTCH SPUR GEAR 81T / 48 - 365881
Reference 08106052
Brand: HUDY
SET OF REPLACEMENT DRIVE SHAFT PINS 3x10 (10) - 106052
Reference 08106053
Brand: HUDY
SET OF REPLACEMENT DRIVE SHAFT PINS 2.5x10 (10) - 106053
Reference 06329913-H
Brand: XRAY
2WD/4WD REAR WHEEL WITH 12MM HEX - WHITE - HARD (2) - 329913-H
Reference 06325340
Brand: XRAY
REAR DRIVE AXLE LB - HUDY SPRING STEEL™ - 325340
Reference 06362112-G
Brand: XRAY
COMPOSITE SUSPENSION ARM FRONT LOWER - GRAPHITE - 362112-G
Reference 06362476
Brand: XRAY
ANTI-ROLL BAR 1.6 MM - 362476
Reference 06363122-G
Brand: XRAY
COMPOSITE SUSPENSION ARM REAR LOWER LEFT - GRAPHITE - 363122-G
Reference 06323354-M
Brand: XRAY
COMPOSITE UPRIGHT REAR - UPPER POSITION - MEDIUM - 323354-M
Reference 06323522
Brand: XRAY
LEXAN REAR WING 0.5mm - LUSH - 323522